Home / 1,219,655.12-1,831,158.44-621,018.52

Finding the Fourth Proportional to 1,219,655.12, 1,831,158.44 and 621,018.52

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Solution

The fourth proportional to 1,219,655.12, 1,831,158.44 and 621,018.52 is: 932,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,655.12 : 1,831,158.44 = 621,018.52 : x
  2. Step 2: Convert to fraction form
    1,219,655.12/1,831,158.44 = 621,018.52/x
  3. Step 3: Cross multiply
    1,219,655.12x = 1,831,158.44 × 621,018.52
  4. Step 4: Simplify right side
    1,219,655.12x = 1,137,183,304,294.31
  5. Step 5: Solve for x
    x = 1,137,183,304,294.31/1,219,655.12
  6. Step 6: Final answer
    x = 932,381.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.